Possible processes and origin-tracing methods of “human-to-item” contamination and “item-to-human” infection with SARS-CoV-2

• Ji Wang,
• Wenbo Xu,
• Xuejun Ma

Affiliations

Ji Wang

Chinese Field Epidemiology Training Program (CFETP), Beijing 100050, China; NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China

Wenbo Xu

Chinese Field Epidemiology Training Program (CFETP), Beijing 100050, China; NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China

Xuejun Ma

NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Joint Center for Biosafety Mega-Science, Wuhan 430071, China; Corresponding author: NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.